4399免费视频

減振降噪材(cai)(cai)(cai)料(liao)(liao)、防(fang)水材(cai)(cai)(cai)料(liao)(liao)、防(fang)腐材(cai)(cai)(cai)料(liao)(liao)、吸聲隔聲材(cai)(cai)(cai)料(liao)(liao)、彈性地坪材(cai)(cai)(cai)料(liao)(liao)、塑料(liao)(liao)制(zhi)品、涂裝(zhuang)設(she)備(bei)及(ji)備(bei)件(jian)的(de)(de)研(yan)(yan)發(fa)、生產(chan)、加工(gong)(gong)(gong)(gong)、銷售、施工(gong)(gong)(gong)(gong)、技(ji)術(shu)咨詢、技(ji)術(shu)轉讓(rang)及(ji)技(ji)術(shu)服務(wu)；水性聚氨(an)酯耐候涂料(liao)(liao)研(yan)(yan)發(fa)，批發(fa)、零(ling)售：化工(gong)(gong)(gong)(gong)產(chan)品(以上不(bu)含危(wei)險化學(xue)品等限(xian)制(zhi)或禁止(zhi)經(jing)(jing)營的(de)(de)產(chan)品，不(bu)含冷凍、冷藏、制(zhi)冷、危(wei)險化學(xue)品儲(chu)存)；防(fang)腐工(gong)(gong)(gong)(gong)程(cheng)、防(fang)水工(gong)(gong)(gong)(gong)程(cheng)、保溫(wen)工(gong)(gong)(gong)(gong)程(cheng)、建(jian)筑裝(zhuang)飾工(gong)(gong)(gong)(gong)程(cheng)施工(gong)(gong)(gong)(gong)；貨物(wu)及(ji)技(ji)術(shu)進出口(國家(jia)法律法規(gui)禁止(zhi)經(jing)(jing)營的(de)(de)項(xiang)(xiang)目(mu)不(bu)得經(jing)(jing)營,法律法規(gui)限(xian)制(zhi)經(jing)(jing)營的(de)(de)取得許可(ke)(ke)證后(hou)方(fang)(fang)可(ke)(ke)經(jing)(jing)營)。（依法須(xu)經(jing)(jing)批準的(de)(de)項(xiang)(xiang)目(mu)，經(jing)(jing)相關部門批準后(hou)方(fang)(fang)可(ke)(ke)開展經(jing)(jing)營活動）